Refactor treesit-admin--verify-major-mode-queries

Refactor treesit-admin--verify-major-mode-queries

Make treesit-admin--verify-major-mode-queries use
treesit--install-language-grammar-1, rathre than the interactive
command treesit-install-language-grammar.

* admin/treesit-admin.el:
(treesit-admin--verify-major-mode-queries): Add parameter
SOURCE-ALIST.  Use treesit--install-language-grammar-1.
(treesit-admin-verify-major-mode-queries): Pass
treesit-admin--builtin-language-sources to
treesit-admin--verify-major-mode-queries.

* lisp/treesit.el (treesit-install-language-grammar): Don't
return revision of the git repo.

(cherry picked from commit 9e1e9fdff44f047489d45ba4a73776cb0298574f)